Finding the Fourth Proportional to 23,137.92, 31,929.04 and 13,068.42

Step by Step Solution

1. Step 1: Write the proportion equation
   23,137.92 : 31,929.04 = 13,068.42 : x
2. Step 2: Convert to fraction form
   23,137.92/31,929.04 = 13,068.42/x
3. Step 3: Cross multiply
   23,137.92x = 31,929.04 × 13,068.42
4. Step 4: Simplify right side
   23,137.92x = 417,262,104.92
5. Step 5: Solve for x
   x = 417,262,104.92/23,137.92
6. Step 6: Final answer
   x = 18,033.69